Wooden Watchtower Low-poly 3D model is available on CGTrader for $8. Original author: DropProp. Specs: 5292 polys, 5855 verts.
BLEND (Blender, filesize: 671 KB), OBJ (OBJ, filesize: 205 KB), FBX (Autodesk FBX, filesize: 452 KB), GLTF (glTF, filesize: 57.3 MB), TEXTURES (Textures, filesize: 170 MB), DAE (Collada, filesize: 379 KB), SPP (Substance Painter, filesize: 95.8 MB), STL (Stereolithography, filesize: 6.22 MB)